2747779064 has 32 divisors (see below), whose sum is σ = 5261008320. Its totient is φ = 1344959616.

The previous prime is 2747779061. The next prime is 2747779079. The reversal of 2747779064 is 4609777472.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 2747778997 and 2747779015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2747779061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189314 + ... + 203310.

It is an arithmetic number, because the mean of its divisors is an integer number (164406510).

Almost surely, 2^2747779064 is an apocalyptic number.

It is an amenable number.

2747779064 is a deficient number, since it is larger than the sum of its proper divisors (2513229256).

2747779064 is a wasteful number, since it uses less digits than its factorization.

2747779064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519 (or 14515 counting only the distinct ones).

The product of its (nonzero) digits is 4148928, while the sum is 53.

The square root of 2747779064 is about 52419.2623374271. The cubic root of 2747779064 is about 1400.6424031414.

The spelling of 2747779064 in words is "two billion, seven hundred forty-seven million, seven hundred seventy-nine thousand, sixty-four".